<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8" />
  <title>姓名案例-插值语法</title>
  <!-- 引入Vue -->
  <script type="text/javascript" src="../js/vue.js"></script>
</head>

<body>
  <!-- 准备好一个容器-->
  <div id="root">
    姓：<input type="text" v-model="firstName" /> <br /><br />
    名：<input type="text" v-model="lastName" /> <br /><br />
    全名：<span>{{firstName}}-{{lastName}}</span>
  </div>
</body>

<script type="text/javascript">
  Vue.config.productionTip = false; // 阻止Vue在启动时生成生产提示。

  const vm = new Vue({
    el: "#root",
    data: {
      firstName: "张",
      lastName: "三"
    }
  });
</script>

</html>